Full Description

Several different methods of horizontally crossing under highways have been developed. The working area required, labor involved and equipment needed for operation varies widely between these methods. Wet boring with the use of air-powered drills, air-powered piercing tools, case bore auger machines, and pusher/puller applications are discussed. Also presented is a new development of a high performance buried pipe and cable location tool that is capable of accurate push button depth readouts.

Product Details

Published: 01/01/1990 ISBN(s): 0898675537 Number of Pages: 4 File Size: 1 file , 190 KB